平均律クラヴィーア曲集 第2巻 第8番 変ホ短調 BWV 877 Fugue No.8

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
JPG201417242
CopyrightID (CopyrightChains transaction hash)
0x91efd5feacafd11dfe171b9fb2a4a88b7c07ec4d78de899e53832668ae4a560e
Copyright registration time
2026-08-01T04:11:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22Z
Bitcoin block
960513
Canonical record hash
sha256:bdba0a3e2df6459990f997a0ea3734b54f58456473ccd2b9367d2e3b9b93d4f6

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.